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Finding the Fourth Proportional to 14,786.78, 22,184.50 and 5,553.50

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Solution

The fourth proportional to 14,786.78, 22,184.50 and 5,553.50 is: 8,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.78 : 22,184.50 = 5,553.50 : x
  2. Step 2: Convert to fraction form
    14,786.78/22,184.50 = 5,553.50/x
  3. Step 3: Cross multiply
    14,786.78x = 22,184.50 × 5,553.50
  4. Step 4: Simplify right side
    14,786.78x = 123,201,620.75
  5. Step 5: Solve for x
    x = 123,201,620.75/14,786.78
  6. Step 6: Final answer
    x = 8,331.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.